{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["subsidiaries", "founded by", "country of headquarters", "founded"], "input": "A major New York refiner Charles Pratt and  Company  headed by Charles Pratt and  Henry H. Rogers  led the opposition to this plan and railroads soon backed off ."}
{"subsidiaries": [], "founded by": [], "country of headquarters": [], "founded": []}